Snagging positioning defects

I know that mistakes can occur in new builds with the positioning of fixtures and fitting however I'm not sure why they're not rectified especially before a booked snagging inspection or a client's completion date.

PSL snagging image - door and door frame

Property snagging image - tap obstructed

Property snagging image - wardrobe doors

Property snagging image - tiles1

PSL snagging image - shaver socket poorl

PSL Snag - door strikes light