Why did Bulgarians’ and Gagauzes’ regions vote against Maia Sandu and the constitutional changes in Moldova, which are to allow EU membership?

Bulgarians and Gagauz communities in the Republic of Moldova fear that the country’s EU membership will permanently strengthen the dominance of the Romanian-speaking part of the population over them. They hope that the country’s European partners will give them the necessary guarantees that they will not be completely marginalized after EU accession. Here’s what Alexander Lambov, a Bulgarian-Basarabian political scientist, has to say