Today the various shows like Friends got resold / rented recently for $500 million and I think $400 million for Seinfeld and this is beyond the huge money made when they first ran.
Threes Company also a big money maker for 40+ years.
The actors would get the short stick in earlier shows, low pay and no residuals. The ‘liberals’ in the studios will cheat everyone in their industry. At the time the producers figured they could replace her and they did.
She ended up making more money in the long run. The other actors did not like her as she was interfering with the show that they made their money.