...You saw what Binance CZ posted about this when people were moving coins from Binance to a noncustodial wallet in 2022. Those that are working for an exchange may just like to mislead people and they may be the one posting it.
That's true. Fanboys, employees, and of course executives will all say the same thing for business reasons. This is exactly why FUD will never fully go away. It’s always better to equip yourself with proper knowledge so you don't get easily lured in or fooled by anyone online.