The difference is that Kubica did not succeed at ERC level before moving on.
In fact perhaps he is the perfect example that driving WRC2 is not a good preparation for stepping up to a World Rally Car in WRC.
ERC is waste of time for drivers who have money and want to achieve something in WRC.
Comparison between Rally2 and Rally3 performance by M-Sport Poland:
https://www.facebook.com/MSportPoland/posts/pfbid02Z5qmc4BYGexRfirFHpX9LuEgk9nvWJ1FDrEgsmMDf7bYVbpShqRFZhkH88Pe5Z1Tl
I don't know that, but I know that the Lancia program will be officially presented on November 18th at Satory, home of Stellantis’ motorsport activities, along with the drivers and the official...
He was offered millions and he turned it down, it must have been that bad and not worth driving over the sensible risk..
Going back just to remember why he left would be quite harsh :D
Comparison between Rally2 and Rally3 performance by M-Sport Poland: https://www.facebook.com/MSportPoland/posts/pfbid02Z5qmc4BYGexRfirFHpX9LuEgk9nvWJ1FDrEgsmMDf7bYVbpShqRFZhkH88Pe5Z1Tl
Rally 3 class