- None of the Schumacher legend will ever go to Mercedes. The great Schumacher is the man in a red car winning 5 World Titles on the spin.
- Legends, opinions and nostalgia are worth squat. Its a result business.
- If Schumacher were looking likely to win a couple of races then you may have a point, but he hasn't qualified higher than 5th or finished higher than 4th in the last 18 months
There is no sense in Michael Schumacher being in that Mercedes. Schumacher's always going to be remembered as a 7 time world champion and that happened for Benetton and (more particularly) Ferrari. As for marketing, anyone winning a race for Mercedes will bring greater revenue than Schumacher finishing 4th.
I have my own view on your points 1, 2 and 3
Point 1. MS is German, Merc are a massive German manufacturer, to have the 7 x WC MS as a figure head and member of their F1 management effort (as he will undoubtedly become) is to gain F1 kudos by association, if he wins one or two races, perfect
He is a very popular German hero, how many hausfraus buying Merc cars are going to think, 'oh he didnt win a WC for Merc' Nope he is MS the 7xWC who is now retired and adds the F1 aura to the Merc saloon. Apart from that Merc want to sell supercars to take on Ferrari and McLaren. Ferraris only advertising budget is the F1 team.
Point 2. This brand new Merc F1 team, MS is not there forever. Merc want to regain former glories with young German drivers. MS will do for them what he did for Ferrari until Monte let him slip. Merc are there to sell (super) cars. Selling cars means more than F1 results (lets be brutally honest, look at Ferrari for almost 20 years before MS)
Point3. He has visibly improved. He was unlucky not to have a podium recently. Again he is not at Merc to win the WC 3 years in a row. Merc are back for the foreseeable future and to kick start things MS and his salary are a drop in the ocean compared to the income from the SLS cars they are going to churn out.
Having said all that, yes it would have been much better if MS (and Brawn) had delivered what their financial compensations suggested. However I doubt very much Merc or Norberg in F1 dept are worried about money.
It ain't happening and I think Mercedes would be better served spending that money elsewhere.
Respectfully Ray, see the point about Mercs money and possible longer term aims