Incorrect data on the discovery app once again

Based on the new ridiculous rules which discovery has put n place in order for me a 26 year old to achieve 300 points in 30 min I need a vigorous heart rate, which is above 79% of my max, this calculation is then (220-26)*79%= 153. However after my spinning class this morning my average heart rate was 155 which is 155/(220-26)=80% which should then be classified as a vigorous workout, however on the app is only shows 100 points for a moderate workout. This is now the third time I have had to do a hello peter post as a result of a poorly developed application and poorly defined rules which probably some fat guy in an office behind a computer dreamt up