Stratis is great. The reasons you stated are exactly why you should invest, great team around the coin. Also if you like Stratis check out Ark.

I think while we're observing btc crash, ethereum will make an explosion. Ether price will be increasing to 500 bucks after bitcoin crashed because bitcoin whales will exit from bitcoin to enter ethereum.

Stratis is a strong project, I have been in from the beginning so it is biased in many ways, but the team will do everything to ensure they get a strong product, so having a bit of cash in stratis is a good thing. Also it's been trading around the bottom for so long now.what seems bottoms at least. It's just a matter of time before it break out on the upside. Probably at least 20$ this year, possibly up to 50$ momemtum.
Stratis is here to stay.

Someone probably got a bit trigger-happy on the market and started to buy when there wasn't support for the price it was being pumped to, so this could be a very long correction, or you might have just seen a small bubble that popped in the market. That's the most likely thing that happened, anyways.

BTC corrections and increases effect all other cryptos, typically they both have a negative connotation though. If BTC goes up others go down, and if BTC goes down typically alts go down too. Stability of BTC makes sure alts trade in their own ways.