In Germany whe heve a special law it´s called "Störerhaftung" If someone use p2p / toorents or somethhing other copyright related wich is not"legal" you can as hotspot service provider get nice problems with the lawyers from the entertainment industrie... The new law say´s as provider, when you have a capital site you get no problems ... but thats it´s only on the paper... In real you get letters from a laywer and a bill ... then you to your lawyer he writes a letter and mostley after that the struggle ends... with a bill ober 500 Eur from your lawyer...
You should attach a solution to integrate some VPN Serviceprovider or better a solution to enter your wireguard / ipsec / openvpn credits from your own vpn servers and also the biggest vpn providers like nord vpn / keep solid VPN unlimited e.g. ...
Also to connect your AP´s over several networks for homeoffice use... Zerotier integration could be a great solution!