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No. 33214
[Edit]
>>33204
Oh no you're not getting off easy this time.
You can drink it upside down underwater for all I care. You don't get to post wrong opinions like they're facts though.
"Foaming up" is not a defining feature of beer.
Most british bitters are low carbonated and so they will tend to have poor head retention. It doesn't matter because that's right for the style.
Here's a thing though, it's never that simple and there are numerous techniques to make the foam stay regardless of carbonation level. It can be done but it's not required, often unneeded.
On the other end of the spectrum you can have something like a berliner weisse, some of which might be carbonated to almost 3 volumes of CO2 (that's a lot) and might foam intensely on pour, but lose head almost immediately despite bubbling furiously.
Fucking traditional lambic is not carbonated at all.
Next time you feel like you're in position to make general statements about beer, consult the BJCP style guidelines first. As for the foam, if you still don't believe then spend some time researching factors which affect head retention. What effect base malts have, what specialty malts do, what adjuncts do, what's with mash schedule, alpha acids, alcohol content, carbonation, temperatures. How it's poured, what glassware it's poured into. So on, so forth.
Then compare what you read to what actually comes out of a bottle. Because some brews don't always closely conform to guidelines, you'll find numerous outliers.
Which doesn't mean the style guidelines are inaccurate. They're the best practical approximation however beer is naturally a hard thing to classify precisely.
Almost everywhere in the world beer was always treated as a freely adaptable drink, adjusted to local conditions, available resources and needs of the moment.
Few places ever had strict laws dictating the characteristics of beer, a notable and influential exception being the Reinheitsgebot. But outside of Germany beer was brewed with such a vast range of ingredients and methods its classification is fuzzy.
It's hard to find a single common trait that defines all beers. Perhaps the only universal rule across all styles is it's a fermented drink brewed mainly from malted grains. In some cases it doesn't even need to be hopped for fuck's sake.
There's far more shit out there that you don't know than you expect.
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