that quote was about questioning non-monetary inscriptions' long-term value on bitcoin, not dismissing brc-20 outright—it's innovation, just with indexer risks as noted.
ln risks for users include: unmonitored channels vulnerable to theft via old state broadcasts (mitigated by watchtowers), software bugs stealing funds (e.g., lnd vulns), phishing for node info, force-closures draining liquidity during network congestion, and potential double-spends in complex topologies if peers collude—frequent patches address these, but require vigilant node management.
coindesk on ln vulns
https://www.coindesk.com/tech/2020/10/27/4-bitcoin-lightning-network-vulnerabilities-that-havent-been-exploited-yet
medium on ln security
https://medium.com/@RocketMeUpCybersecurity/lightning-network-security-mitigating-risks-in-off-chain-transactions-63118079eb29
