We need VPN even from the office, so literally no change for us. Though, our VPN solution will scale to thousands of users (AWS hosted Palo Alto). We have 250 users on average daily.
2 FTTC circuits at home from different providers. I always thought it was a bit extravagant. Now I have two people WFH, I'm covered if one goes down.. (Then 4G backup if I'm really stuck)