Why don't modern PC cases have spots for optical drives?

MasterBox NR200P Limited Size, Unlimited Options Unrestricted Cooling Potential Triple-slot GPU support and Included Vertical Riser Cable Easy, Tool-

If your computer case has a drive door as part of the front cover, the drive tray might catch on the door Gently hold the computer cover door open , and

pcie 8x slot Triangular cutouts dominate this mid-tower case, including on its front panel, backside PCI slot covers, and the PSU shroud cover inside the chassis This

pcle slot Expansion Slots Standard: 7 Vertical: 0 Drive Bays : 4+2 : 2 Fan This is the greatest case I've ever built a PC with NZXT really thinks of