Anaerobic metabolism induces greater total energy expenditure during exercise with blood flow restriction

[Sorandril]

Anaerobic metabolism induces greater total energy expenditure during exercise with blood flow restriction - PubMed

Low-intensity endurance exercise performed with blood flow restriction increases the anaerobic lactic and aerobic metabolisms, total energy expenditure, and cardiorespiratory responses.

pubmed.ncbi.nlm.nih.gov

So when someone says theres no value in training it....