I agree, Howe is showing what a good man manager he is as he's essentially having the same squad perform much better than they previously were. As you say the signings they made were hardly superstars.
I feel the bigger clubs these days are always reluctant to take a chance on British managers despite them clearly demonstrating they have the ability and knowledge to compete with the best.
I think Brendan Rogers like Howe is a very good manager and deserves a job at one of the bigger clubs, no disrespect to Leicester.