He was a much better player than Andreychuk or Housley.
But those played, 1495 and 1639 games (plus 162 in the playoff for Andreychuck, for 1800 games in total) in the nhl.
The modern (played games in the 2000s or could have without early retirement) under 1,000 games (not for a long non-nhl career reason) player in the hall would be more:
Kariya
Datsyuk
Lemieux
Lafontaine
Lindros
Neely
Forsberg
Bure
Just above 1,000 there is Shea Weber.
That a quick look, but probably more the competition level voters have in mind than the players with the 6th most game in the Hall like Andreychuck, with 640 goals, 1338 points, good in the 83 world junior, 1984 season and still playing 19 minutes a game in 2004 on a cup winner breath of a career.
Lot of people would agree Palffy (same PPG as Mogilny, played almost purely in the Dpe), Kent Nilsson, Kovalchuck, Spezza, Naslund, Yashin, Gaborik, Marc Savard, Lecavalier were better hockey in some way than a lot of people that made it in the hall, talent is far to be the main variable for it.
The by season memoral bar without compiling seem much higher, Lindros did had to wait quite a bit, he was better than almost everyone in the hall.