1. Yes, Otzi had Lyme: https://www.nature.com/articles/ncomms1701. However, it's possible tick populations were lower 50-100 years ago.

2. Yes. The main issue is that nobody wants to pay for the robots, although they're extremely effective: https://www.cnet.com/news/military-robot-deploys-co2-to-lure..., https://ieeexplore.ieee.org/document/1594003/?arnumber=15940...