You do cherry picking.
"While early polls in April reported that supporters of independence were a small minority, the
Los Angeles Times reported that the later violence in
Odessa and
Mariupol turned many against the Ukrainian transitional government."
Donetsk:
"2,252,867 voted in favour of self-rule, with 256,040 against, on a turnout of nearly 75%."
Luhansk:
"The final results were that 96.2% voted for separation."
en.wikipedia.org
I means, when Kiev turned anti-Russian in 2014, the people were deprived of rights and they were burned to death for being Russian. No investigations took place when Ukrainian Russians were attacked. Nazi gangs controlled the streets with baseball bats, flails and guns, the police disappeared. Of course, the east developed a desire to break away from Ukraine.