IDK, if this is how the Epstein Files are going to inflict casualties on MAGA, it sounds like fairly terrible news to me. I mean, she isn't in the files and was pushing for them to be released, so, if they are what killed her, that suggests that the Epstein files aren't actually a threat to Trump. Which implies bad things for the general safety of women.
All that said, I'm not going to morn MTG's leaving plitics.
It seems extremely obvious to me that this is not how the Epstein files are going to inflict casualties, and it's not even the main threat vector to MAGA. What's hurting them is the economy and extremely unpopular actions like mass deportation. Probably the economy is going to get worse before midterms and Trump is going to get more authoritarian, which will hurt him worse.
No, I think it's pretty obvious that MTG is angling for a job on one of the news networks, state governorship, or some other sinecure, and she just wants to get out of the blast radius before midterms hit. It positions her to lecture others on how MAGA messed up and how she knew better all along. It's nonsense of course, but it's marketable nonsense hence a perfectly feasible retirement plan.
Wringing your hands over what's in the Epstein files and what impact it will have is exactly the least useful analysis you can be doing. What you should be watching is the unforced errors Trump and others commit trying to deal with the situation. For example, the HoR Republicans released a huge trove of e-mails for no reason that I've been able to discern and those have done a lot to implicate Trump and several allies. It was a severe blunder with no intelligible motivation that I've been able to figure out other than "release e-mails? oh yeah, we'll show you, here's even more e-mails!". It's occupied news cycles and prevented Trump from getting out in front of his many other problems, all of which are still eroding his approval. It's also caused a bafflingly widening split between congressional Republicans and Trump. Maybe there's a silver bullet in the mystery box, maybe not, but you simply don't need to know what's in there to see that it's causing Republicans to fuck up and lose time before a highly likely drubbing in the midterms, after which they will almost certainly not be able to pass whatever legislation they like anymore. This is exactly what an opposition party should be doing. This idea that there has to be a silver bullet to be worth it is nonsense, it's worth it if their stupid reactions cost them precious time. The fact it's a potential lottery ticket for further hurting Trump is worth keeping in mind but in no way necessary to see that this has been worth it.