That's a very broad statement to make without considering all the causal factors in "some cities".  As you haven't accounted for all the factors (ie: geographically constrained urban growth and development - Vancouver, Hong Kong, et al...) and admit this only happens in some cases, your argument amounts to a deductive fallacy and isn't valid.

Rent control effects have been very well studied and the long term effects are well known, as the article explains.