That seems quite a lot to read into a 2-councilor change with boundary changes in the mix.
It’s a position I’ve maintained for a while. It’s not based solely on this election result
They might struggle to hold the parliamentary seat if Farron stood down with the party still focused on London, but their local base is so strong even if they lost the seat they wouldn't disappear. No one else is likely to win in Kendal for the foreseeable future.