Well for this particular company (PTOI) it is diff
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Most other development companies on the OTC has to go down some kind of convertible debenture route, which causes a lot of dilution, that is not the case here so avenging down can lower your average price a lot for a little extra money compared to your original investment, and as long as the company makes you will make a lot of money.
the above is exactly the reason why I have been aveging down many times over the years, not so much lately where I have actually trimmed my position, but in any case if you have been invested for a long time and still believe there is a chance, then this is a cheap way of getting a lottery ticket with some chance of winning.