Everyone builds Physical either primarily around converted damage (which ignores armour) or big globs of it (which aren’t effected heavily by it). Maul might be good on builds that are forced to work with small, fractured amounts of Physical damage like EoR I suppose but I haven’t seen anyone rebuild it recently. Same thought for Physical pets as they lack conversion options and deal small but frequent hits (and would enjoy the ADCtH).
The only build I can think of that uses Maul is critt’s Paladin: