Sure, you can say that. You will lose your clients to the agency down the road who happily use React and say "no problem." Especially once it turns out that it

Sure, you can say that. You will lose your clients to the agency down the road who happily use React and say "no problem." Especially once it turns out that it _doesn't_ require 10x the time and budget and your prospective client tells everyone you bullshitted them.