A developer when they say something is complex they usually…

A developer when they say something is complex they usually are implying that they don’t know how it might break. Segwit was always considered a very high risk set of changes to Bitcoin, just to maintain a slightly smaller block size, supposedly.
https://twetch.app/t/66c4583135d1e603283d012fe31c6a3b4f6bcbbf004698fc525c341a0a5b9603