I dont think this only happens in fitness.
I goto a few forums that are based around writing code for gis's (global positioning systems more or less). In each and every thread there seems to be 10 people that give 10 different solutions. All will work, which ones best? who knows.
Its the same here. Two people can give 100% different and conflicting information. Likely, neither of these people is wrong. Because things vary so much from person to person.
Internet forums encourage this. Debate and discussion. If only one person ever gave input, it would be boring and you would not learn as much.
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