It's not that everyone gets bored, but there's definitely a lot of people who feel exactly like you do about those books. The thing is BookTok has its own bubble and promotes certain patterns over and over, so it ends up seeming like everyone's reading the same thing. But that doesn't mean it's bad if it doesn't grab you, not at all.
What you're describing is pretty real: there are quite a few romance novels that follow the same formula to the letter. Protagonist with a difficult past, the attractive mysterious guy who "saves" her somehow, exaggerated conflicts. Some people love that, others find it predictable and exhausting. You probably just don't have the taste for it, and that's totally fine. Not every trend is for everyone, and reading something just because it's in style is a sure way to not enjoy it.
If you're interested in romance stories but with different angles, there's tons of options that don't fall into that same repeated structure. Some people want more character development, others prefer romance with humor, others want plots where romance isn't everything. Maybe it's worth thinking about what kind of story actually grabs you when you read, instead of trying to force yourself with what's trending. Reading should be something you enjoy, not an obligation to keep up.