PBR in two-arm design, the PBR Node Interfaces are in the same VRF

#QA In the SGR in Go-To in Two-arm design, how does IP routing on the firewall scale when we have dozens of (Provider, Consumer) pairs? #QA How cumbersome is the management of the static IP routes related to the SGR on the service device? #QA Is BD2 the IP default gateway for EPG Web endpoints? #QA Which component takes the role of IP default gateway of the firewall: BD1 or FW-Out BD?