Same thing in the US, IMO.
No offense, dude, but Estonian nouns have 14 cases (14 cases! I don’t even know how they thought that many up!) and I don’t know how many declensions. Native Estonian speakers screw up the grammar all the time. So the Estonians wanting to make native Russian speakers take grammar tests is way more difficult than you imagine.
Yes, the kids should be taught Estonian, but if some dictator moved me someplace to work in some factory hole, only to be abandoned and have the people living their asking me to learn this ridiculously complicated language, I think I’d stick to “no thanks, teach the kids.”