Does the WEC & LM truly need the big bucks factory teams, other than for marketing activation?
I'd happily see Toyota v a reasonable bunch of garagistes, remember for much of the early Audi seasons that's how it was, although the Audis often ran under the guise of so called private teams. Sure Toyota will probably win everything, but if they slip up then giant killing is very much on the cards, as it was nearly this year, and would certainly have been if there had been 3 or 4 good privateers, I wonder if Rebellion were thinking they should have stuck with the R-One for one more season!
I guess part of the problem for the factory teams is that their cars are now far too complicated and expensive for a private team to run, if they could defray the costs through selling or leasing some on then it would be more likely they would stay around I reckon.
I get that the future is with alternative fuels and hybrids, and LM has often been a great proving ground, it's just the costs have gotten way out of hand, and it's not just the racing budget, but the marketing one too, it wasn't till they had gone that everyone realised how big a part of LM Audi had become.
Time will tell what happens, but the factories have always come and gone in all forms of motorsport.