Europe was in chaos in the 1020s. Crises just kept coming, and the powerful were trying to capitalize on disorder. And in times like these, actions can have outsized impact, even the smaller ones.
For example, if you sat in Leicester during the 1020s, the last thing you would have been paying attention to would have been the spat between dukes in Northern France. And even further below the things your list of interests would have been one of those Dukes taking a mistress and having a bastard boy.