Amethyst uses Tor for relay connections but not for media, which would be unbearable to use under Tor. 
nostr:nprofile1qqsyvrp9u6p0mfur9dfdru3d853tx9mdjuhkphxuxgfwmryja7zsvhqpzamhxue69uhhv6t5daezumn0wd68yvfwvdhk6tcppemhxue69uhkummn9ekx7mp0qyghwumn8ghj7mn0wd68ytnhd9hx2tcewvzaw I've seen multiple DDOS attacks on Tor making it unusable for a period of time, how does Amethyst mitigate that?