It's hard to compare 90's/early 2000's to now IMO. Back in those days, you had a grand total of maybe 10 powerhouse schools that were dominant almost every year. It certainly isn't like that anymore. I don't think there's ever a set number mix of 4yr players and blue chippahs for an ideal team...the team mold is constantly evolving. What works one year may not work the next year.
I don't think he was referring to Yale and Union's title runs as luck...there was no denying that both of those teams were playing very well when they got the title. I took his comment as meaning that they got lucky with the player mix on those particular teams...it's not like we are expecting Yale and Union to turn into powerhouse teams with multiple titles...could happen, but just not as likely. Every title team needs a bit of luck on their side (except for maybe the Hrkac Circus...they were going to win regardless). Like Frattin's senior year Sioux team...that team was going to win the title. No doubt in my mind. But they sure didn't get any puck luck in that semifinal against Michigan. Sometimes the luck just isn't there to back up the talent.