For many graphics professionals, that's like asking if you'd consider replacing C++ with Rust.

There's one answer you might provide when you've the luxury to start things over and ramp up on all the differences, but practical reality is that you rarely have that luxury. Fluency and confidence in the tools you already use provides strong resistance to switching, even if alternatives promise they're ready to meet your needs.

Yes, I already have. Unfortunately, all the best tools for photography (my hobby) are Windows and Mac only. So I migrated to Mac. Linux is not an option because my software simply won’t run.

If you'll give me a proper alternative that can compete to Adobe and run natively on linux, sure. But there is none. Adobe dynamic link or After Effects do not have competition. Affinity don't work on linux.

Maybe one day Okular will finally enter the 21st century and start supporting signing pdfs with digital cert signatures and become a viable replacement.

I have and sadly the Affinity suite doesn't run (without crashes) in Proton.