I'm sure there are others that could fit these categories, but this is my best attempt.

Circular economy: nostr:npub1lrjgpa9m2dl6esdah5pq7m005ymwh4glq4aet76q2zlz2f83esfsa2zvrj nostr:npub1clfjjuhrnr2dyrxknvdgg5v4dnq55t5svkk34r76rpwzqf5cjdas7rk28k nostr:npub1vmgx258nnylu5xwf32uyazdn6t4cq5vl982msaj4s27em09vuhrsgqgyu4

Broken fiat/legacy system: nostr:npub1zrysysh8wq9zs3u5xzac9vf69we3wxrdj8rehns3japxdftqcqvsst8vpd nostr:npub1dergggklka99wwrs92yz8wdjs952h2ux2ha2ed598ngwu9w7a6fsh9xzpc nostr:npub1a2cww4kn9wqte4ry70vyfwqyqvpswksna27rtxd8vty6c74era8sdcw83a

Self Custody/No KYC: nostr:npub1z4m7gkva6yxgvdyclc7zp0vz4ta0s2d9jh8g83w03tp5vdf3kzdsxana6p nostr:npub1qny3tkh0acurzla8x3zy4nhrjz5zd8l9sy9jys09umwng00manysew95gx nostr:npub1j8y6tcdfw3q3f3h794s6un0gyc5742s0k5h5s2yqj0r70cpklqeqjavrvg

Lightning Growth/New Tools: nostr:npub1l2vyh47mk2p0qlsku7hg0vn29faehy9hy34ygaclpn66ukqp3afqutajft nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 nostr:npub1t0nyg64g5vwprva52wlcmt7fkdr07v5dr7s35raq9g0xgc0k4xcsedjgqv

Blue Collar nostr:npub1a3hrd4wfawr578d5y5l0qgmh7lx8q6tumfq0h7eymmttt52veexqkcfg37 nostr:npub13tm98cj56xvugywflf89c4d3cp23h5wdegm2rjdz32npkzysetkskynkcs nostr:npub1mc20uche0cy599vpl850aschpu7wteundgsnf0msep79lu3fu5aq3r4ptv

Critiquing Clown World: nostr:npub1nw5vdz8sj89y3h3tp7dunx8rhsm2qzfpf8ujq9m8mfvjsjth0uwqs9n2gn nostr:npub1h8nk2346qezka5cpm8jjh3yl5j88pf4ly2ptu7s6uu55wcfqy0wq36rpev nostr:npub1hu3hdctm5nkzd8gslnyedfr5ddz3z547jqcl5j88g4fame2jd08qh6h8nh

Lessons of 2023: nostr:npub14mcddvsjsflnhgw7vxykz0ndfqj0rq04v7cjq5nnc95ftld0pv3shcfrlx nostr:npub1cj8znuztfqkvq89pl8hceph0svvvqk0qay6nydgk9uyq7fhpfsgsqwrz4u nostr:npub1ahxjq4v0zlvexf7cg8j9stumqp3nrtzqzzqxa7szpmcdgqrcumdq0h5ech

Other: nostr:npub15dqlghlewk84wz3pkqqvzl2w2w36f97g89ljds8x6c094nlu02vqjllm5m nostr:npub1sg6plzptd64u62a878hep2kev88swjh3tw00gjsfl8f237lmu63q0uf63m nostr:npub1cn4t4cd78nm900qc2hhqte5aa8c9njm6qkfzw95tszufwcwtcnsq7g3vle