Though there are enough to ensure that at least one will be readable when the train is moving slow enough.
The designers of the original tiled TTC subway aesthetic obviously thought through usability and clarity rather than simply thinking about what "looks good". When it's a side platform, the station names along the tops of the walls are easy to see even when a crowded platform blocks a view of the larger mid-wall signs. With an island platform, station names are perfectly centred in the windows and station names are also placed along the tops of support pillars along the platform. The 1970s Bloor-Danforth and Spadina stations repeat this layout even with complete changes in architecture. With the Sheppard line this was all forgotten, though the hanging ceiling signage is clear to see (even if it's not an intuitive place to look for a station name).
Now with the Museum redo, the original TTC station design logic has been completely forgotten. What good is pointing out that a traveller should be able to figure out what a station name is from the top half of a word when all that had to be done for complete clarity is copy the location of the original text? If they had been placed in the original location you'd certainly be able to see it over the heads over people seated across from you. It's safe to assume that there won't be station names printed across the Doric columns or sarcophagi, so if there is a train stopped on the other platform an unfamiliar, uncertain visitor might find themselves confused. There's simply no need for this.
Museum station might turn out being the aesthetic opposite of the FSCPA, form over properly-thought-out function. That said, I'm still glad that the renovation is going forward.