So 2 changes to travel from Birmingham or Manchester to the south coast but 3 changes if travelling from Coventry, Wolverhampton, Stafford, Stoke, Derby, Burton etc etc.
Sounds like an excellent way of encouraging potential rail passengers to drive instead.
Whist it's two changes, it does shorten the journey time by around 70+ minutes vs the current journey time by road or rail.
If you've got a 9am meeting would you rather leave at 5am or 6am?
Part of the train people don't like changes most of that is down to worrying about missed connections. Other than the Southampton/Reading leg the other legs would be fairly frequent. As an example Old Oak Common to Manchester or Birmingham would be 3tph. As such the delay by missing a connection would be fairly small.