That's very bad of them. I would name and shame, share your tickets and emails on social media. Let me see if I can help with any of your other questions:

1. I have counted three individual MMUs in their photos and videos. I suspect they are behind, but it is very hard to tell, we simply don't have enough reliable information.
2. Wallet dividends won't be paid on snapshots, the dividends will be paid to whomever is holding the tokens at the time.
3. See point 2. I would suggest not holding them on exchanges anyway, it's not as safe as a wallet. The dividends will be paid "after the audit", so we may get some warning, but it's not certain.
4. They keep promising more and giving less.
5. They have not determined a payout minimum limit. The way I understand that it will be dynamic i.e. the fee at the time will dictate whether it is paid or not. So if ETH is expensive that week it could be skipped, depending on how many tokens you hold. Payments are supposed to occur weekly. I assume all payments will be in ETH. They claim to be coin agnostic, but with an Ethereum based token, this is the only option that makes sense to me (unless they pay in EVN!)
6. That 161% was not a promise! It was just an estimation. We all lost funds in the market crash, most coins crashed a lot more than EVN did! The estimations were originally done with October 2017 figures (if I remember correctly). The whitepaper revises this estimate to 181%, but this was not put onto the website in order not to get people too hyped up. I think that ROI will start off low but will increase up to and beyond 161%, especially if you hold the ETH that they pay out and don't just sell it immediately. I also think the EVN coins themselves will rapidly grow in value as payments grow.
7. That's just speculation, but they are certainly being lazy now. For the record, they are still better than many others! Their fault was in originally keeping us very well informed, and then suddenly the PR department took a massive dive.