Why is there so much backlash following an Orpington development proposal?

In recent years, much speculation has centered on the development of Orpington high street: after being sold in 2019, plans began to form, creating a new vision for the shopping centre located nearby- The Walnuts. Although the company behind the construction proposal claims they will support local small businesses and bring opportunities through its two tower blocks of flats and improvements to existing facilities, locals have not been so supportive.&