Exactly. Stock SH3 got everyone in the habit of charging in and blowing everything sky-high.
With more realistic sensor packages... even early in the war, if you do something bone-headed... nature takes its course.
When merchants begin to arm themselves (IIRC 1941-ish) they OUTGUN YOU!!!
Sometimes, the right thing to do is just let the target go... or leave the area and set up an ambush in low-light conditions.
Now you gotta work for that tonnage.
(If you guys think that early war is tough
now... Late war is all about snorkeling and surviving. ASW gear becomes more advanced... and more prolific.)