I am a web dev and I think I’ll stay relevant to earn a decent living as a web dev until I retire (it’s hard to predict 20 years ahead, but definitely the next

I am a web dev and I think I’ll stay relevant to earn a decent living as a web dev until I retire (it’s hard to predict 20 years ahead, but definitely the next 5-10 years at least). It seems the author just want to change their career, not necessarily because of they won’t be able to earn money if they don’t.