No because they would be point to point. Many parts of the phone network were connected via microwave links before fibre optic cables replaced them, as fibre carry much higher amounts of data.
I take it you are talking about anabolic steroids.
Most people don't understand that a person will not simply gain huge amounts of muscle by taking them. It does allow more lean mass gain, but only if muscle are being stimulated to grow and extra calories are being consumed.
I'm talking about having the self-discipline to work out, which is the same self-discipline required for fasting. If you manage to work out, you can manage to not eat. All I hear is a bunch of excuses and trying to create lab drugs to work around this fundamental weakness of character. It won't work, because the same weakness will simply destroy you through some other thing you won't control for better outcomes.
The is a lack of curiosity because there is no evidence.
Microwave energy has been found many times to be directed at embassies (such as the Moscow signal), but it wouldn't be any form of weapon. Such transmissions would likely be RF power for passive bugs, radar, or jamming signals.
It's not hard to find groups of society where expose to HIV is very high, which are the ideal groups to study. Many people in these groups see contracting HIV as inevitable and do not fear it as you would expect, as it is not seen as a shame or death as as it was around the late 80s.
There subculture of people are people who actively try to transmit / contract HIV, often at so called "biohazard parties".