You can perhaps ask yourself whether the country is a better or worse place because of the influences of Maggie? I err on the side of better. Sure, she did some things wrong, some very wrong, but nobody can get it right all the time and at the time and later she realised the mistakes and learned from them.
5 Precepts of Buddhism seem appropriate. Refrain from taking life. Refrain from taking that which is not given. Refrain from misconduct. Refrain from lying. Refrain from intoxicants which lead to loss of mindfulness