Russian total trade in 2020 was 550M. Poland has 510M total trade same year. Russian external economy is really very small.
And that explains why they are not too worried about sanctions. Sure, it would be unpleasant but they are already under sanctions and Putin is hasn’t lost popularity too much.
Putin lost a big chunk of popularity. Support index dropped from 57% in 2018 to 32% in 2021.
So Putin now has about the same approval rating as Biden.