My brother lived inside the TPC LC course (between #3 green and #4 tee) for about 10 years. Was such a fun event when you could wake up, and walk out to the action, not to mention having great parking. I am gonna bet that players looked at that event in the following fashion:
1) starts a 2-week stint (when Colonial was back to back) where they could drive 30 mins to the next tour stop and not have to worry about airport travel
2) nice hotel/pool for the family to travel along with
3) legend of golf Mr. Nelson
4) social scene on/off the course
5) quality of the course itself
The tournament itself, as a total package is a good event, not great. Tournament lost its identity when Nelson died...it got euthanized when it went to such a strange non-descript golf course not well suited for hosting an event (from what I understand).
Again, likely the ones that got hurt the most were the salesmanship club and all that it does.