Nah. Gregg was a great member of the national team while studying to become a doctor.
Sure, I get you, but I think everybody in the world but Glen Sather was surprised when he made the team & did so well right away. Remember what the perception was at the time:
(1) he played Canadian university hockey, which produced few NHLers - it generally wasn't considered a viable route to the NHL. He was of course not drafted, & had no central scouting hype around him.
(2) he didn't sign in the NHL after the 80 Olympics, despite the fact that he was high profile as captain of Team Canada. This didn't help his case, because a lot of big names from Lake Placid were struggling to make it in the NHL by the time he was on the scene, & this was especially true of some of the guys who skewed older. For every Glenn Anderson or Neal Broten there were a bunch of Paul Pageau, Dave Hindmarch, Bill Baker, Rob McClanahan types - there was really no guarantee that the talent he showed at Lake Placid would translate to being a viable NHLer two years later.
(3) He (surprisingly, inexplicably) spent two years playing in Japan, which was essentially glorified rec hockey. He was wasting his prime years playing non-competitive hockey. There was some question as to whether or not this harmed his development. Remember, this was an era when guys caught flak & were considered soft or non-competitive if they left the NHL to play in European leagues with much shorter seasons, & Japan was far below.
& this all went down against a cultural backdrop of
(4) an NHL that was suddenly experiencing a flood of 18-20 year olds stepping right into the NHL from junior without spending any time developing in the AHL. The NHL was in the wave of an unprecedented youth movement, which included a whole buttload of guys from the 70s retiring in their late 20s & early 30s as the new young breed pushed them out. This even happened on the Oilers, if you recall their roster in 81, & how the "fogeys" like Callighen, MacDonald, Weir, Hicks, Brackenbury, etc. were overthrown by the new generation. Gregg at 26 joins the Oilers when a bunch of 27-28 year olds just hung up their skates, putting him right on the edge of the fogey class.
plus
by the time he signed with the Oilers he was three years from having finished University, studying to be a doctor was no excuse for deferring his NHL career.
To sum up, a 26 year old university trained, two years removed from the Olympics, playing in Japan, with no free agent feeding frenzy around him, was an enigmatic anomaly who was a question mark for fans & media when he started out for the Oilers. His story defied conventional wisdom of the time, & he played so consistently & maturely from the get-go that I think there was a perception that he was a late bloomer, of sorts. Could he have stepped up into the NHL from University? from the Olympics? had he played junior & been drafted instead? Who knows. The simple fact is, he didn't choose to even attempt a viable NHL career until he was in his athletic prime at 26 - isn't this in & of itself the definition of a late bloomer? Regardless of the reasons why, he didn't "bloom" in the NHL until he was 26.