Rainer, some background on the takeover bid regime. My layman's interpretation, the intent of the new rule was to make it more difficult for hostile takeovers to be successful by increasing the minimum tender requirement and increasing the bid period, thereby giving the targeted company more time/opportunity to respond against such action.
https://www.osler.com/en/resources/critical-situations/2016/new-take-over-bid-regime
https://www.osler.com/en/resources/regulations/2018/the-take-over-bid-regime-after-two-years