One of the things, life experiences..that keep me grounded ( pardon the pun )…. is i helped run a decent sized satellite design/build/launch /operate business….. including GPS …. fun stuff like XM Radio, Wide Band Gapfiller….
Hopefully you understand Relativity , including special doesn’t explain everything…. We will understand more when unified with a much improved knowledge of Quantum mechanics…. and my humility allows me to say…. there will be many things that unification will not explain…..
Chew on the power of relativity to fail on explaining singularity in a rotating black hole….