Most EU passports get 30 days visa free entry, everything is quite inexpensive, the super apps both have a translation feature now, which helps a lot since most restaurants take orders through them.
It is super safe, no theft, almost no scams.
Hotels and train trips on trip.com.
The main challenges are to find a non smoking hotel room and to not gain too much weight.
Using something you don't actually need is wasteful.
When you don't need threads, don't use them.
Trivially parallelizable problems should be trivially parallelized.
Sometimes you want to do something complex in a short time though. If latency matters, sometimes you don't have a choice.
Running 10 instances of the same game at 10fps each is not the answer.
It would be trivial to keep track the IMEI of the phones and to render them worthless by blacklisting them on the mobile networks.
Why is this not done?
It would be even more trivial for Apple to block the phones the same way they do when an Apple Store is broken into. You can’t use an iPhone without an activation via login.
They used to get broken down for parts, as the screens etc were still worth hundreds on their own. But since the parts are now encoded, that can't be done as easily.