Get over yourself. Soon.
Ian isn't "taking over every electric boat thread", he's contributing to them from a position of recent first hand experience. Having spent a great deal of time and money to get what he wanted from his boat he is obviously best qualified to comment on his decisions.
I'm fairly sure he's also getting sick and tired of having to keep typing disclaimers like "... which suits me so I did it this way, it wouldn't suit everyone ..."
He's also commented that some of his ideas were deemed either foolish or impractical by the boatbuilder, so didn't make the finished boat. That tends to suggest that the ones that did make the cut were not deemed foolish or impractical by one of the best regarded boatbuilders still in business.