Take this with a grain of sand as I do not frequently use thompsons...
But when I do I can generally obliterate most people in most situations due to the decent fire rate (i use a kaiju so its like +10%) and the clip size. I feel they are powerful enough and deploy fast enough, but I will credit you on the reload speed. The reloading of a thompson is absolutely abyssmal and I often question if it reloads slower than a huge. It's honestly very close. I also don't use thompsons at long range, but I feel that because it is IRL used for close range engagements that any long range use of this gun is not really //intended//. The damage drop off you are talking about is pretty severe considering you're saying it happens way too close, but I do think it deserves a damage fall-off rework as a result.
TL;DR imo thompsons are ok for damage, could use a drop-off rework and reload speed buff.
EDIT: Ah yes the accuracy is horrible as well even when you aim down sights.
But when I do I can generally obliterate most people in most situations due to the decent fire rate (i use a kaiju so its like +10%) and the clip size. I feel they are powerful enough and deploy fast enough, but I will credit you on the reload speed. The reloading of a thompson is absolutely abyssmal and I often question if it reloads slower than a huge. It's honestly very close. I also don't use thompsons at long range, but I feel that because it is IRL used for close range engagements that any long range use of this gun is not really //intended//. The damage drop off you are talking about is pretty severe considering you're saying it happens way too close, but I do think it deserves a damage fall-off rework as a result.
TL;DR imo thompsons are ok for damage, could use a drop-off rework and reload speed buff.
EDIT: Ah yes the accuracy is horrible as well even when you aim down sights.