As previously said - the license is required only when watching TV at the same time as it is broadcast.
So if it's streamed AND the stream is delayed then a license is not required, there is no definition of the requirement for how long a delay.
The only way the TVLI (who are a private company and not a government body - hence have no legal rights to enter you property) get you is if your stupid enough to let them in or sign their documentation - or allow your TV to be watched while you are watching broadcast tv without a license - we see enough of these people in the paper every week that are up before the bench.
I have a license, I now have a firestick that has enough TV to keep me going for a very long time without the need to watch UK broadcast TV so I may well not renew my license when it next comes up.
I can't afford Guiness, perhaps if I didn't have such high tv license & Vm bills I may be able to