BMI is a flawed measurement. We've seen real world examples of it's flaws, yet the government/NHS carry on like they didn't see it.
I know you guys will challenge me, so here is some links;
www.ncbi.nlm.nih.gov
Clinicians should pull back on the widespread use of body mass index (BMI) as a metric for assessing people’s health because it can lead to patient distrust and delayed care, say some health experts.
www.hsph.harvard.edu
BMI is the go-to obesity metric, but there is increasing acknowledgment that it's an imperfect measure and can differ with ethnicity, sex, and body frame; hence, the growing chorus for alternatives.
www.medscape.com
Real world examples;
The fit and active five-year-old spends hours swimming, dancing and cycling to school each week but council health bosses have told her parents she is overweight
www.chroniclelive.co.uk
A FUMING mum told how her son, five, was fat-shamed by the NHS after receiving a letter telling her he was OBESE. Horrified Cheryl Beattie, from Glasgow, received the letter about young son Blair, …
www.thesun.co.uk
Those kids aren't fat/overweight.