Subject: Re: O. M. G.
It's possible that people buying now will look back in 25 years from now, when the B shares are 9000, and will say to themselves "well, it didn't matter much if I bought them at 480 or 510"
(510 would be an CAGR of 12.15%, 480 would be a CAGR of 12.4% over the 25 years)

It's also possible that someone buying today will see something pretty typical: inflation+7%/year value growth and reversion to the mean of valuation levels in the next five years, giving them inflation+3.1%/year. The ending price will almost certainly be a lot higher than today's price even after inflation, but that doesn't by itself mean it's a great investment alternative.

As an intellectual exercise, compare with: "TIPS till the market has dropped a whole lot, then buy something good that is really oversold".
Even if there is no big drop within the next five years and you hold TIPS the whole time, that strategy would still get you inflation+1.4%/year, only 1.7%/year less. At the other extreme, it might double your money without any particular risk.

Jim