I don’t think there’s particularly a right or wrong here. I’m solo myself and have felt for a long time to be in an inferior position because I don’t fit into the ideal 2.3 founders statistic. It took more than a few years for me to move past this as a major disadvantage. There are positives and negatives, as with anything.
Author of the article here. Supporting a solo founder in GrowthClub and having co-founders in Panda Training, my own startup - agreed, nothing is black and white.