I am afraid that I have to disagree with that. The LW had decent success against Channel coastal traffic, true enough, but that was against slow cumbersome tubs but had little success against warships at sea. During the Norway campaign the LW sank only two ships in open sea,
Bison (F) and
Afridi (B) while with an evacuation convoy from Namsos. Indeed if I remember correctly the first success of the LW against any warship at sea was against one of their own destroyers, the
Leberecht Maass, in early '40 (
https://en.wikipedia.org/wiki/Operation_Wikinger). Being tied to convoy escort increases the vulnerability to air attack compared to being part of a destroyer group hell bent at getting at an invasion force.
The LW (X Fliegerkorps) did become proficient against naval vessels in the Med, but that was more than a year later. Similarly their successes against the Artic Convoys was still much in the future. Against destroyers, little chance, smaller cruisers, a bit better but larger cruisers and battleships and battlecruisers a fair chance but those larger ships with their good protection would have a very good chance at shrugging off hits from 250kg General Purpose (HE) bombs that were the heaviest available to the Ju-87. The LW also had few torpedo bombers available. This is '40 BoB, not '41 Pearl Harbour or '42 Midway.