I attend TLM. I recognise NO as an equal rite, but attend TLM as that liturgy simply suits me better at this stage in my spiritual journey. Remember there is room for abuse in both forms of Mass- lest we forget Jesus message to the Pharisees for example…
I think the problem with this article is that it is far too subjective a matter to make such a statement on. As an example of two extremes- is a congregation in rural China attending mass they only know how (i.e. clandestine or NO etc.) More devout? Or is a congregation who attends mass in a sheltered TLM-only community more devout? It is overwhelmingly subjective. Ultimately both rites are equal, and it is the clergy who must answer to liturgical abuse within either rite.
As to the laity, likewise- one may struggle with pride, reverence, ability to concentrate at either rite. And we are instructed to recognise both as equal…