It's simple why PascalCoin isn't so popular yet:
- their founder is speaking mostly Spanish and little English
- English speaking people got on board, but mostly for dev and discussion
- Limited listing on exchanges
- Very little to no marketing until recently
- PascalCoin focused on developing tech mostly, not on marketing and adoption and thus it's suffering (other coins do the opposite)
It is a valuable coin that has more to offer than most other coins if you read into it in detail, but still a lot of work needs to be done for them to become popular.