There'll always be a market for cheap low-quality videos, and vice versa always a market for shockingly high quality videos. K. Asif's Mughal-e-Azham had enormous ticket sales and a huge budget spending on all sorts of stuff, like actual gold jewelry to make the actors feel that they were important despite the film being black and white.

No matter how good AI gets, it will never be the highest budget. Hell, even technically more accurate quartz watches cannot compete price wise with mechanical masterpiece watches of lower accuracy