You just described every action hub’s ex-shrew took.
Add: Alienate children from dad by poisoning their minds and trashing his character. Obstruct all parenting time/visitation with dad.
Immediately date every Tom, Dick and Harry, allowing them to have unfettered access to children and have said children call mom’s flav of the week “dad” while likewise punishing dad for moving on.
I witnessed this tried on a family member after his divorce.