@Kokeshi123
The average age in South Africa is only a bit younger than Brazil or India (South Africa is not Niger--it's a middle income country). When Delta took hold in Brazil and India, we started seeing bad outcomes and car crashed hospitals pretty much straight away. It "feels" very different this time. I think that if Omicron was going to cause massive issues, we'd be seeing signs of it by now.
That's true, and I think it's also important to remember than when South African doctors and experts say this wave is so far milder, they are talking in comparison to previous waves in South Africa. The South African population hasn't got younger in the past couple of months. Yes, more people will be vaccinated and/or have natural immunity since the last wave, but us and many other countries also have high levels of natural or vaccine immunity in the population too.
So while our situation will not be exactly the same as South Africa's, if their latest wave is milder than their last, hopefully a new wave here should also be milder than our last.
People are also saying that people can take weeks to die from Covid. That's true, but that's because people can linger for a long time in ICU or on ventilators before succumbing. They don't suddenly get really ill 4 weeks after testing positive. Most people become seriously ill and have to go to hospital during their second week of infection. It's just about been long enough that if lots of people were becoming seriously ill with Covid, we'd probably be hearing about it about now, and so far, we aren't. So far, so good.
The high transmissibility is a concern of course. Even a less dangerous, but more transmissible virus could still overwhelm health systems. So far, South Africa's hospitals don't seem to be overwhelmed, which is reassuring. But it's probably a bit early yet to fully relax and "let it rip".