https://en.m.wikipedia.org/wiki/Guided_bus
For very minimal cost, this would greatly increase speed/capacity, and would allow both BRT and LRT simultaneously
So I guess all the new buildings being built in downtown Wormtown are all being built by delusional people. I'm going to guess that, baring data from you, the funders dumping a billion or more into Worcester may have data that refutes your feelings.
Worcester Line improvements also facilitate "CompassRail" development. Worcester is the fastest growing city in the NE and better transit is needed to continue. The Worcester Line is the 2nd most used line
Stadler wasn't offering FLIRTs because the T has made it clear that they are still in Bilevelland. Ask for flats and you will get flats.
And the premium for top performance is not that significant
The tower of the old station lasted until 290 was built, and the postcard towers seem short. There were two bus stations on Madison, one for Trailways and one for Greyhound