I'm sorry, but no they won't. They will make a small amount of money, and then will be sued into the ground by Apple if they ignore the mountain of cease and desist warnings they will get.

There have been a few attempts to make a cross-platform iMessage client (see: https://bluebubbles.app/), and they all require either genuine Mac hardware, or a virtual machine with spoofed serial numbers.

There already is a way but it does require an apple Mac or virtual machine:

https://matrix.org/docs/projects/bridge/mautrix-imessage

I use matrix bridges for all my chats (to Whatsapp, telegram and signal) so I could add iMessage too. But I don't have anyone in my friends or family that wants to use it.

> A lot of teenagers would rather be dead than uncool.

and the more we push this culture-magnified story about teenagers, the more this will might approach actually being true. An awful lot of teenagers would much rather be uncool than dead, actually like their parents, don't find school terrible and so on. But for some reason, our culture has been spinning a yarn about them for decades now that both stands in opposition to the truth, and has simultaneously reshaped it.