It's not a nice move to hijack someone else's program+popularity and include it as an option in yours...
That might be a nice improvement, but I believe people want a single command without any arguments for this use case.
I can't speak for other people. But for myself I'd rather have it as a --option than another command. I dislike tools that install a lot of different commands, it just gets harder to remember them all.
That argument doesn't make sense at first glance: how is lots of differen't commands harder to remember than lots of different --options?
one command can list all it's options with tool -h?