She used a longsword and a shield in this issue. She is already experimenting with a fighting style from her land of origin. The ninja fighting style is something she's been trained in for years but she didnt use that here. She specifically mentions that she is using new psy-weapons and we proceed to see her with a different fighting style. All this talk is based off of a tweet by JDW whom was just reassuring readers that despite not seeing it in #1, Betsy still has her ninja fighting abilities
You'll have to take that up with those individual posters that didnt like Betsy as a ninja as I dont think they have commented since that post praising it
I didnt say they were crappy scenes. They were posted to prove a point about the notion that CC only had the X-men fight/attack those they were evenly matched with and could withstand those attacks either via invulnerability or healing factor. Clearly that wasnt the case and as Devaishwarya states, we have to suspend our disbelief when reading