Here is a London Free Press article from today, which I think does a better job at going into the specifics of the debate yesterday....
https://lfpress.com/news/local-news/...-byron-enclave
"At issue for [some councillors] was the setback from the boundary of the Warbler Woods environmentally sensitive area. New city environmental management guidelines introduced in 2021 mandate there be a 30-metre setback between any development and an environmentally sensitive area.
The first rezoning application for the property was received by the city in 2012, and any applications prior to the new rules are being grandfathered in, said city staff, who backed the project."