I find the towers to be exciting and far more attractive than many of their post war neighbours. London needs some exciting looking buildings, perhaps we dont want to look like Dubai, but then again we wont, but we do want to be more forward thinking and as long as the developments can keep providing some affordable housing in attractive surroundings, what does it matter?
When I first came to London in 1985 you couldn't see the Monument for taller building around it. And you couldn't see any thing from the top (and I have been to the top) for the same reason Since then they have improved its surroundings and views from the top,.
It doesn't take much to make big improvements
,and it doesn't take much to create a cock up if the necessary consideration haven't been given to a proposed building,
that's why talking about a building as if it was an isolated abject isn't good enough and why buildings need to be considered in relation to there surroundings so that sort of thing doesn't happen again. Jargon about forward looking doesn't mean any thing as they probably thought they were being forward looking when they blocked the views from the monument.
The Beatham tower my well turn out to be fine, but we cant afford to just assume
That any thing built wily Nilly will work out ok by accident.
Which in there time dominated the skyline (well St Pauls maybe but not big Ben) as much as these towers are so by your logic you would've have been against them when they were built.
A 6 star hotel with an affordable housing block plus a public viewing gallery will do a lot to bring people to the area thus increasing through traffic who at the moment ignore the area completely & stick to the river path.
This along with developments like 20 Blackfriars with its mix of offices & residential towers (which im sure you don't like either)will further enhance the area.