Difference being that Lawson actually has a contract.

2% of revenue is nothing

So pi-hole is essentially the same as something like NextDNS, just self hosted?

Can also recommend the SimpleX chat, Bitwarden, Cryptomator and Briar repos. There's also IzzyOnDroid, though I think they have less strict guidelines.

The sign is used to indicate a stop line, not how traffic lights work. Often the sign might be a several metres in front of the traffic light to allow for the flow of oncoming traffic.