A cut-back HS2 could end up being slower than the existing railway

The threat to cut the HS2 railway to a short shuttle service between Birmingham and the edge of London could mean that a journey by HS2 is slower than the existing railway.
HS2 as a shuttle (red) vs what was planned (grey)
Citing TfL research, the Mayor of London noted in an open letter to the government that stopping HS2 at Old Oak Common and asking people to switch to the Elizabeth line to get into central London would add so much time to the journey that it would be quicker to use the existin