"they did not put them in multiplayer to prevent grand bollard theft (no serious answer!)"
That would be solved by allowing vessels to moor alongside others who are static, just in real life. (without the need to permission to attach) just like in real life.
Re: Bouncy piers, might it be easier for VStep for there to be thread for people to list the popular piers that are still bouncy, rather than asking them to fix them all? i.e. the main ones in Calais for starters. (speaking for MP game here).
These are not major gripes for me, just inputting my two-penneth