Everyone was impacted by Covid TBF. They cashed in on a good few, in the last widow Fofana, they had Kante and Mahrez to.
Not the point really, its very hard to sustain the models long term - it requires a near perfect success rate - its sustainable for a time - but growth itself almost makes it top heavy, that's what happened at Leicester.
Same thing happened to Swansea who were the forbearers for Leicester, who were the forebeaers for Brighton.
You can have a look at Stoke and Burnley to - but more right then the above left.