"Yes.. property investors get removed from the property market which is supposed to drop prices which is not happening."
Jeez you're about 5 beers short of a 6 pack. The laws aren't designed to drop property prices at all, they're designed to prop up property prices while selling them to dummies that they are about dropping property prices.
What happens if you reduce the supply of new properties(which all these laws are designed to do) while increasing demand for housing(immigration)?
The added bonus is the dummies who vote for these laws thinking they're about dropping property prices are finding out that removing property investors is also forcing up rents, so they still can't(and never will cause they're dumb, lazy good for nothings) afford to buy and now they're losing even more of their income to rent. Congratulations!