We understand that the questions raised in this thread are pressing for the community and we are working on the measures how to make the game better on that direction.
TG does not sell resources/villages, so if you happen to find those sites that does, please report them to the Game Support.
About techs, we do have a plan on how we will deal with it, which was presented and discussed with the Ambassadors. The workshop article can be found on Legends on Tour 2020 - Workshop #3 and the notes from the workshop where you can find the notes on the changes for techs on https://blog.travian.com/wp-co…shop3_07072020_Public.pdf
I understand it does not feel right and you being frustrated over it when things like this happens.