These days verification teams no longer question whether hardware assisted verification should be used in their projects. Rather, they ask at which stage they should start using it.
Contemporary System-on-Chip (SoC) designs are already sufficiently complex to make HDL simulation a bottleneck during verification, without even mentioning hardware-software co-verification or firmware and software testing. Thus, IC design emulation is an increasingly popular technique of verification with hardware-in-the-loop.
Recently, hardware assisted verification became much more affordable thanks to the availability of high capacity FPGAs (like Xilinx Virtex UltraScale US440) and their adoption for emulation by EDA vendors.