Purchasing a sea fort in the UK

I really don't get the point of articles like this, at all. I see brilliant things all the time that I'd love to own but could never afford. I live with that disappointment.

Generation Snowflake seems to think that, in such circumstances you just stick a crowd-funding campaign on the web, and let 'rest of world' buy your dream for you —with <what exactly?> in it for them?