If a real estate developer already owns land and wants to build at their expense on their own land, quite a few people think that, in general, they should be permitted to do so as long as they comply with applicable laws.
But this set of tax breaks is modifying the effect of the applicable laws (namely sales and use tax, according to the article) for the benefit of a landowner. That seems rather different.
Incidentally, that same $3.3 billion could build around 10,000 accessory dwellings in Baton Rouge.
There's a huge difference between extremely publically pushing for laws that allow buildings to be built vs private negotiating tax breaks that only affect a singular building.