Fair enough, I was wrong there - RSA is still used for some things in TLS 1.3. However, I stand by my point that there are downsides to RSA and that its mislead

Fair enough, I was wrong there - RSA is still used for some things in TLS 1.3. However, I stand by my point that there are downsides to RSA and that its misleading to say "RSA + TLS is fine" when TLS 1.3 actively reduced its use of RSA.