Please... no!
That's not a great comparison. I can also still play those games through Steam or GOG without owning the physical copies. And if you're saying that older games don't have issues with becoming vaporware, that's also not true. There were games in the 90s that required an online connection to play and when those servers shut down, they were never updated to allow offline play. In some cases, hackers managed to change the games to allow playing them offline, and for some of them GOG or Steam has updated them to work now, but there are plenty of games that can't be played anymore even if you have a physical copy of the game and a computer old enough to be able to play them. That last part is particularly frustrating at times... There is one game I have the disk for and would love to play that just won't run correctly on a modern computer. There is another game that I played years ago and that I'd buy today but it won't run on a modern OS. Doesn't matter if you have a physical disk or you have a digital license. Any game that requires online servers that are then shut down and isn't updated to work without those servers is not going to work regardless of having a physical or digital copy of the game.
Neither says you can use it forever. Many car parts are discontinued and although you may find alternatives, that may not always be possible for rarer cars, so when something breaks, you may have trouble fixing it. Cars are guaranteed to start falling apart and unless you can keep "updating" them so they continue to work, they will stop working even though you paid for them. A game or other software may also stop working when you update to a new computer or a new OS unless you update the game or software to work with the new system.
A game that requires an online server to function and the server is disabled will cease to work unless someone can update or change the game to work without the server. If you buy a trolley that requires an overhead electric wire to function and the city removes all of those wires, your trolley won't work anymore unless someone can update it or change it to work without the wires.
In the end, it's really not any different. It's just different terminology. You never expect something you buy to always work. You expect it to need to be replaced at some point. Doesn't matter if it's physical or digital.
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Now, since the above comments seem to suggest I'm fine with licensing versus ownership, let me clarify that I don't like licensing. I prefer ownership and I have a lot of physical games and other software. But I also recognize that a digital license doesn't inherently make your purchase any less usable than a physically owned copy. The exception being a situation where a company that you licensed the game/software from shuts down or loses their license to allow playing/streaming/using that software or game anymore. Having a physical copy makes is possible to not get stuck in that situation. But that doesn't happen often. What are the chances Steam shuts down entirely and you lose all your games? Very low. And Steam is pretty good at making it so you can keep playing games you purchased even if Steam can no longer sell those games. You might not be able to buy it anymore, but if you own it, you can usually still play it. That can vary from game to game, but they usually do a good job with that.
I'd rather we still owned the software we buy, and I treat any software I buy as if I own it... I don't really care what the TOS or EULA says I can or can't do with a game I buy and play offline. But I appreciate the ease of getting games from Steam and GOG and elsewhere compared to how it used to be.