Do you value your time?

Sure, generally speaking yes. Who wouldn’t say that?

Here’s your problem though: the process of logic where you look at someone’s actions and conclude that they wouldn’t have performed the action unless it was valuable to them only works if:

1. Everyone is a perfectly rational agent that only chooses to perform actions that they believe will benefit them.
2. Everyone is capable of perfectly predicting whether an action will benefit them overall.

Obviously neither of those things are true. Even if #1 was true, your approach still would run into problems because you wouldn’t know if a particular action was a misprediction (that actually didn’t end up providing value to that person) or whether it truly was beneficial. Since humans are both often quite irrational and pretty bad at predicting effects to boot, well… back to the drawing board.

Giving something your attention not only implies it has value to you

This is what we’re talking about: value to me specifically.

If something has no benefit to me, I can see that doing it is a personal flaw but I still can’t resist the compulsion (could be anything: time wasting reddits, crystal meth, alcohol) then it seems really weird to conclude that I “value” it. I’m pretty sure most people don’t use the word “value” like that: it’s for something that has a benefit to the person. In this case, the “value” is negative if anything.

Don’t kid yourself. Reddit was valuable to pretty much all of you or else you wouldn’t continuously shitpost about it.

It doesn’t really work that way. Lots of people visited subreddits like cringetopia, whatcouldgowrong, confidentlyincorrect, etc. Basically a compulsion to kill time by gawking at dumb people doing dumb stuff. That doesn’t mean those subreddits or that use of time had actual value, even to that specific person though.

Are you using a distro with fairly recent packages? If not, then possibly you could try looking for supplementary sources that could provide more recent version. Just as an example, someone else mentioned having a similar issue on Debian. Debian tends to be very conservative about updating their packages and they may be quite outdated. (It’s possible to be on the other side of the problem, with fast moving distros like Arch but they also tend to fix stuff pretty fast as well.)

Possibly worth considering that hardware can also cause random crashes, faulty RAM, overheating GPUs, CPUs, memory or overclocking stuff beyond its limits. Try checking sensors to make sure temperatures are in a reasonable range, etc.

You can also try to determine if the times it crashes have anything in common or anything unusual is happening. I.E. playing graphics intensive games, hardware video decoding, that kind of thing. Some distros have out of memory process killers set up that have been known to be too aggressive, and processes like the WM that can control a lot of memory will sometimes be a juicy target for them.

As you probably already know if you’ve been using Linux for a while, diagnosing problems is usually a process of elimination. So you need to eliminate as many other possibilities as you can. Also, it’s general hard for people to help you with such limited information. We don’t know the specific CPU, GPU, distribution, versions of software, what you were doing when it occurred, anything like that. So we can’t eliminate many possibilities to give you more specific help. More information is almost always better when asking for technical help on the internet.