The question ‘Why do Ukrainians not go out on the streets with stones?’ is naive. There is a simple, very human, everyday and sad answer: they are afraid. Because the current authorities with the support of 8% have made people very afraid of going out on the streets.
No evidence given. See examples of recent street protests: https://www.bloomberg.com/news/articles/2017-12-17/ukraine-protesters-seek-poroshenko-s-removal-at-kiev-rally
The disinformation is based on misleading polling data by the Ukrainian TV channel "News One" that has been criticized by Ukrainians for its pro-Kremlin stances. Polls conducted by the media reflect the opinion of the audience of these media, and not the entire society. See also a list of other polls conducted: https://en.wikipedia.org/wiki/Opinion_polling_for_the_Ukrainian_presidential_election,_2019