you as a user can not create a Bitcoin address without going through verification and confirmation of the validity of the address before authentication, so don't be so gullible not to notice the error message of the address if not valid or valid to an already existing wallet.

This is so stupid and misleading towards people who just know about Bitcoin.
Thought this response was a joke at first:
What is kidney stone :
Kidney stones are hard deposits of minerals and acid salts that stick together in concentrated urine.
I only had kidney sand and that was terrible, can't imagine how the stone feels like
Turns out he's a SEO spambot but his post did make me laugh (unless kidney sand is a real thing

. Maybe kidney sand turns into kidney stones?).
Few people refer relatively small stone on kidney as "kidney sand". But i have doubt doctor/health expert actually use such term.