Time for them to rebuild the brands sporting pedgree after the F1 shambles and the rocketspots nightmare.
Jag along with Aston suffered parts donor shame when Ford owned them. Aston has come along way since then. Tata could do worse than look at that a a template for Jag.
Sportscars sell, go along the mercedes benz world, they have put a GT3 gullwing as the first car you see, not a F1, they are hidden away upstairs.
GT racing offers far more legacy than F1, for a fracton of the cost.