Does a wine bottle punt mean better quality?

Sparkling wine bottles with deep punts, taken at a winery in Fårevejle Kirkeby, Denmark.
Do all wine bottles have a punt?
Not really – you may have noticed that many of the slim and tall ‘flute’ bottles are flat-bottomed.
The traditional German ‘Hock’ Riesling bottle lacks a punt, says fine wine importer Justin Knock MW.
‘The reasons are largely historical and hark back to different bottle-manufacturing technology in Germany, the homeland of Riesling, th