Headers, headers everywhere! Nearly every builder I have ever worked with (regardless of geography) initially had far too many headers and/or headers that were way oversized in their homes.
Code requirements are typically 250 percent over failure, so designing above code is typically a waste. An exception is that there are pocket markets where customers require joist design a bit above code to avoid perceived floor deflection or bounce.
It’s easy to do a quick check.
Do a field walk during framing: