Roadmap
2017: CPU mining, exchange, etc...
2018: CPU mining, exchange, etc...
2019: CPU mining, exchange, etc...
20XX: 1Yen < 1Yenten.
Wow what an amazing roadmap

Your long goal is to be more than 1 yen

Do you realize how much a yen is ?

I don't see the issue? He said > 1 Yen.
Greater than 1 yen. That could mean 2 Yen. That could mean 50 Yen. Your comparison makes no sense.
Also:
There are 2 mins/ block, means 720 blocks/day. Means 720 * 365 = 262800 blocks per year. 50 YTN per block means 262800 * 50 = 13,140,000 YTN/year. Even at 5-10 Japanese Yen per YTN, that's a really good project. Not everyone is trying to become an overnight millionaire, some of us like good asic-resistant algorithms.