At this point even having a Russian speaking population is potentially a liability regardless if they’re pro-Russian or not, since Russia will just spin whatever pro-Estonian or anti-Russian sentiment they say to be propaganda and Russia will just say they obviously need to be liberated so they’re able to express their support for Russia.
While only roughly 300,000 to 450,000 of 1.3 million of Estonians have ethnic ties to Russia, 73% are near Estonia’s border with Russia:
While only roughly 300,000 to 450,000 of 1.3 million of Estonians have ethnic ties to Russia, 73% are near Estonia’s border with Russia:
https://www.globalsecurity.org/military/world/europe/et-peop...
This YouTube provides an animated history of Estonian borders:
https://youtube.com/watch?v=HBA0xDHZjko