You are so right!
When sec. 8 comes, hardworking blue collar, lower middle class, working poor move out. The neighborhood, or town, begins to lose retail business, then the tax base deteriorates and the infrastructure stops being maintained. The final stage the neighborhood, or town, becomes dependent on state or federal govt.
One of the problems with section 8 vouchers is their permanency. All welfare should be time limited except to perhaps the truly disabled. Section 8 vouchers create permanent dependency. Many lazy and able people use Section 8 vouchers. Time limits would force these lazy people to get a job and make something of themselves.