Compared to onchain fees. That's theoretical numbers derived from papers about payment systems from 1960s. On such timescale LN if compared to legacy payment systems is looking like a frog leaping forward like crazy. 

Force closings are problem indeed and it is worrysome that everybody is busy with something not including FC as KPI. But this is free market activity entirely. So we'll, cest la vie. 

Dashed line is for hosted channels on this plot. Horizontal axis is payment frequency.  Vertical is for economic effect which is difference between onchain and lightning network operational costs. 

https://i.nostrimg.com/601eb8a02cc2382d180748c35fffc76cd0269a24edb5b816e5c78a4ea75df215/file.png