Truth Stock bashers may insist that past performance is indicative of future performance because they believe that the historical data provides valuable insight into how a particular stock may perform in the future. They may also use this argument to justify their negative opinions on a stock or to discourage others from investing in it.
On the other hand, normal shareholders may be labeled as "pumpers" because they are often enthusiastic about the stocks they own and may promote them to others. While some shareholders may have ulterior motives for promoting a stock, such as trying to drive up the price so they can sell it for a profit, many are simply passionate about their investments and believe that the stock will perform well in the future based on various factors.
Ultimately, it's important for investors to do their own research and analysis when making investment decisions and not solely rely on the opinions of others, whether they are stock bashers or promoters. Investors should also be mindful of their own biases and emotions when making investment decisions, and consider a variety of factors beyond just past performance when evaluating a stock's potential for future growth.