Also has to be said that you can totally just eat more beans to make up for the amino acids where beans have a comparatively low amount. You just need to get enough of a supply of each amino acid, and for that purpose, it doesn’t matter where those amino acids come from.
Most Western diets contain significantly more protein than is actually necessary either way.

Of course, you still typically want to incorporate other protein sources to get a larger variety of vitamins and whatnot.