TOR is perfect for IOT applications because it avoids DNS and censorship problems. IOT doesn’t need very high bandwidth and its still worth a lot. Consider just the application of monitoring the fluid level in a tank remotely, mytanklevel.com owners are valued at billions of $USD and own a small part of the market. Where does monero fit in tho? Idk…
No blockchain size is not problem. 16 TB it is a problem.