Many thanks @timcliff on all accounts!
May I go point by point:

1. There is no benefit in a multi-account approach under the system of rewards put forward. The graph is flat.
2. I am proposing a system whereby there is less liquidity than there is and so there can be NO downwards pressure on the value of steem - unlike the current scenario where there is more and more liquid steem every day on account of what the whales are doing, notably steemit!
3. If witnesses are truly independent of their interests in the platform, they should welcome such a move. Witnessing is functional. It should no have a policy mandate. There is no disregard for anyone through outsourcing. It just ensures NO conflict of interest. To argue against this suggests that there are practices which DO adversely affect the platform.
4. I did leave latitude within this point and thee are certain situations which do require extra usernames. The need for more than 5, as I outlined, is untenable. Thee are ways and means of ensuring compliance. There are ways and means of trying to cheat. The current photo system is good, though it I know can be cheated. If this is Social Media, it needs to start looking like it!
5. Thank you!
   As I said in my opening lines, it is not a prescription but it is one hell of a sight better than the current dog's breakfast!