It would help to have more context.
"no less of a an ambush" means that my ambush is equal to your ambush (so you can't complain"
"When you put it that way" is useful in a discussion or argument. Sometimes if you say the same thing in different ways, you get different reactions or response. So for example if you asked me for something rudely, I would not want to help you. But if you asked for the same thing nicely, I would be happier to help.
"that" way in this context is the latter way, which produces a different response.