No not really anymore. I used to really regret it in the beginning. Especially when I had my B40s (now sold because they were way to big).
Now I just switch from my B35s to one of the K28s if I feel I need a shoulder bag. I feel they kind of fit the same amount since I don't carry that much anyway. And if I feel I need a little more space I usually take one of my Pochette Accessoires with a long shoulder strap and have it under my jacket or blazer so it doesn't look crazy with two shoulder strap bags
Now I just switch from my B35s to one of the K28s if I feel I need a shoulder bag. I feel they kind of fit the same amount since I don't carry that much anyway. And if I feel I need a little more space I usually take one of my Pochette Accessoires with a long shoulder strap and have it under my jacket or blazer so it doesn't look crazy with two shoulder strap bags