Probably because people like me are sitting in front of the TV zoning out after working 14 hours days and go:
"Look Honey isn't that the environmental wacko Ed Begley, I haven't seen him in years"
He probably will work for cheap and still has some star power left for people like myself who remember him pre-moonbat days.
When they make changes from one season to the next or mid season, and I don’t like it, I stop watching. I figure if I keep watching they will think I’m ok with the change.