I don't agree. I believe that Putin will not accept not being able to accomplish his military taking of Ukraine. He will not be seen as weak/incompetent. I believe he will go to extreme and order biological/chemical and possibly nuclear attacks.
Putin Will Have 'No Choice' but to Stop Ukraine Invasion: Former US General
https://www.businessinsider.com/putin-no-choice-halt-ukraine-invasion-former-US-general-2022-3
Putin Will Have 'No Choice' but to Stop Ukraine Invasion: Former US General
https://www.businessinsider.com/putin-no-choice-halt-ukraine-invasion-former-US-general-2022-3