We are generally our own worst critic.
The key is for you not to share those critical comments with anyone else but you, alone with your machine! Trust me, nobody receiving a gift quilt should have anything to say but thank you and similar expressions of gratitude and appreciation. Bask in it and enjoy! You deserve it!
I confess I have told someone when giving them a quilt to call me if it ever breaks a seam or something comes undone so I can repair it and find out where I goofed. I figure that's part of the warranty