The State currently fund the vast majority of schools, among which many are russian-speaking. Forcing those schools to switch to Estonian, without having enough teachers to do it, is going to create a lot of problems. The solution found was to degrade the teacher's level, by authorizing anyone with a university diploma to teach.

Please read those articles from the State-sponsored media: https://news.err.ee/1608774058/julianna-jurtsenko-switch-to-...

https://news.err.ee/1608751774/deputy-mayor-language-transit...

Also, there are plans to prevent russian-speaking people to enter politics. This is a problem in places like Narva where 99% of the population speaks Russian. https://news.err.ee/1608778132/ministry-calls-for-assessing-...