He didn't doubt that if it were to her advantage to do so, she'd have no compunction in involving him, however unfairly.
Many fans have no compunction about spending a small fortune to get their costume right.
I really have a compunction or two about helping to put your brother into drama.
However there is little compunction on developed countries to follow the same advice.
Some fighting Catholics haunted woods and hills under the name of tories, afterwards given in derision to a great party, and were hunted down with as little compunction as the wolves to which they were compared.