The solutions are just a Google search away and easy to implement. If that stops anyone even slightly motivated I must wonder what they are generally able to achieve with a computer.
For your anecdata is somewhat relevant you need to know around 2,000 people well enough to accurately judge whether they're capable of circumventing a DNS block :-)
> wonder what they are generally able to achieve with a computer
Stuff they actually do day to day. Scroll social media, use messaging apps, watch Netflix, Youtube, Twitch etc, in the older generations (millennial and up) also email and MS Office.