New Russians decided to follow a western pattern and move from apartments to single family houses in the suburbs. Unlike dachas, these serious houses are designed and built in most cases as permanent residences, not summer houses. The land around is not used for growing a family food supply - there are lawns, and flowers, and sometimes even pools. Yes, some vegetables too, but for fun rather than for serious production. By the way, many of these new houses stay unfinished.
Life changes fast, and instant wealth frequently is gone overnight.
Now fewer of these houses are constructed, and what seemed a fast development couple of years ago, now barely shows signs of growth. But dacha people are still quite unhappy with them because all this large scale construction work destroys favorite meadows, fields and forests where dacha folks used to relax or mushroom hunt. On the other hand, when rich people move out of the city, some infrastructure follows them and becomes available to locals and to dacha folks. Small shops, gas stations, food markets became a natural part of small roads around Moscow, the roads that before simply led to the dachas. But before almost all supplies had to be brought from Moscow.