All of these complaints are MacOS problems. On my Debian laptop, "openssl --help" actually displays some help (despite --help not being a real flag), "man opens

All of these complaints are MacOS problems. On my Debian laptop, "openssl --help" actually displays some help (despite --help not being a real flag), "man openssl" works as expected, and "openssl genrsa" uses a 2048-bit modulus... and "openssl verison" confirms it's actually openssl.