Don't worry about it. I just wanted to bring it to your attention.
The bad weld on the one thermocouple won't be a problem for me, since I have 7 more, plus the one on the end of the 10m extension cable.
For the stripped connector shells, I can replace them with ones from the 8 pairs that I got in the extended kit. Those connectors are better quality anyway, since they use metal nuts and screws to hold the shells together, instead of self tapping screws into plastic.