> Real-world FPGA designs lean heavily on the vendor's proprietary IP No, not always - I use no vendor IP whatsoever for extremely large designs. For ASICs is

> Real-world FPGA designs lean heavily on the vendor's proprietary IP No, not always - I use no vendor IP whatsoever for extremely large designs. For ASICs is basically required to use fab IP (for physical production/electrical/verification reasons,) but that's absolutely not the case for FPGAs.