You contradict yourself. The fact that this language issue resurfaces regularly and is important enough to the voters to be a proverbial carrot during elections proves that it is a "topical issue". After all you spent quite a lot of time arguing about it here, so it does matter.
I believe any arguments about "preserving" or "defending" Ukrainian language against Russian (as the main reason against Russian as a second official language) have no real weight. Those who speak Ukrainian will continue doing so either way, and with no forceful Ukrainisation Russian speakers won't feel the need to "defend" their right to speak Russian, and maybe will use Ukrainian more often. For now language wars cause tension, they certainly do not consolidate the nation and serve no real purpose except petty vengeance.
Erm... I lost you here. So their bilingualism is a historical fact, and bilingualism in Ukraine is not, even if it exists and formed historically over time? It looks like you are bending facts and arguments to fit your purpose.their bilingualism is a historical fact, history is made by the people