initdb createuser commands

Hello,

Perhaps I'm missing something.

However, it seems to me that there are several "generically" named
commands, e.g. initdb, createuesr which come as part of postgresql. In
my mind, these commands are sufficiently generic that they might clash
with other commands. It's also not obvious they are part of
postgresql.

Wouldn't it make more sense to make them subcommand, of, say, a top
level pga (postgres admin) command, a bit like how `mysqladmin` works?

Just wondering as the naming of these commands seems overly generic
and for a new user it's hard to know what commands are available since
there is no common prefix (e.g. pg_<tab>) for these commands.

Thanks
Samuel