They wouldn't need to run both trains on the same track. You just need a spur off the Ontario Line, along the north side of the GO Tracks to Greenwood Yard. Then rebuild much of the yard for the Ontario Line gauge - perhaps leaving a small area for TTC. Meanwhile moving most TTC to Obico.
I really think you have no idea what you are talking about. This is also a board for discussion about the project and it will most likely have little to no effect on what Metrolinx actually ends up doing. As many people have said all of their public meetings and counsaltatins are mainly just a meeting to show what they are going to do.
I really don't see that Metrolinx is going to do anything different from what has been announced. I also fail to see why you seem to think that demolition of stores that can go elsewhere in the area and may possibly be already have been looking to move somewhere else is so detrimental to the community that it can be compared to the article that you linked to about the community in Halifax.
displacements of entire ethnic groups out of a city and negotiating with 20 businesses max to help them relocate is not the same thing, and it honestly just shows that you don't actually understand what actually happened in Halifax and the social, racial, socioeconomic, and deeply personal aspects at play there. I agree Metrolinx needs to do better when it comes to community consultation, but it's a strip mall. There may be a grocery store that is very important to not only that community, but a larger South Asian community, but it's a strip mall, and the businesses will be relocated within the area. It's not the expulsion of former slaves from their one safe space, after being systematically repressed and often killed for over a century.
pretty likely, though the community wouldn't be too happy about that either, and would likely fight against it
Thus adding even more delays to the economic benefits that'll be recognized by the subway line. Economic benefits come from both construction of the subway line and construction of higher density buildings around it. If any of the two get delayed (Former more likely to be delayed than latter), the line will actually cost us more (As cost of labor and materials goes up) while providing delayed economic benefits.
They don't need to be going to STC to benefit, Kennedy is in Southwest Scarb. most riders are hence coming from the NE, by taking the subway closer to them you reduce their travel time by getting them off buses and onto trains sooner.
Why are they building a railyard in industrial lands next to a rail line I wonder?
This isn't really a simple solution, you can't use Greenwood as is for modern trains, which is why the TTC has thought a lot about Obico, if you use for OL you need to level it and rebuild and build connecting tunnels (you are not running OL levels of trains between Line 2 trains to access the OL.) Once you get into talking about gauntlet track etc. the complexity is just way too high to make that an attractive solution!
I imagine the businesses are happy to get a big cheque and a relocation, as others have pointed out, they'd like be out after the line was developed and be dealing with construction right next door for years otherwise. There is a narrative painted by the Star here, it doesn't necessarily reflect reality. Imagine who would be upset if a much larger employer in the area was removed to build the yard, the complaints would be about taking jobs away from people.