Macbook Pro 2019 broken?

So yesterday I asked the question, but something came to that;

Yesterday I bought a Macbook Pro 2019 with touchbar at Saturn. This went out constantly, directly in the first 2 minutes (although there were 90% battery or so). Today I gave it back to Saturn and got a new device for it. The staff said that (of course) it is not normal if the device just goes off by itself, unless you look Netflix, then the Macbook would not "notice" that you use the laptop, as it may be that it goes out by itself.

So, now I have got a new Macbook, so everything went well, it was used for about 2-3 hours, and only Netflix looked. Then he suddenly went out. I could not put it on with the on / off button, but only with the charger (yesterday was synonymous only so). Anyway, I have the laptop then connected to the battery, I was hoping that maybe just the battery is empty, unfortunately there were still 63% battery in it.
When I unpacked the Macbook, it was already 100% fully loaded. Now I just closed my Macbook to battery and turned off.
Is the Macbook broken now, or was it because I watched Netflix? The employee said yes, that can happen when watching Netflix. However, I have no desire to persuade me that it was only due to Netflix. Although I really hope so. Can't be that I have already bought a defective device again.

I do not know if it matters: I have set the battery that my monitor, etc. Never go out by itself (?). So if you go to the battery level, you can adjust so that something goes out after some time by itself, etc. (I do not remember exactly what is there and now my Macbook does not open to look, because I want to fully charge it. I've never had a Macbook before, so I do not know it by heart or know it at all.)

So, can someone help me please? Has that happened to you? Is it due to Netflix? On the device? What should I do?

I totally despair!

This is not because of Netflix but because of certain activities that are not seen as such on Safari and put the Macbook into sleep mode. If you then press the on / off switch, the Macbook goes down.

Wake it up with a swipe on the touchpad or pressing any key on the Macbook.

However, if you want to turn off that the Macbook goes into sleep mode by itself you have to do the following:

At the top left click on the apple or key Command + spacebar and energy saving enter
system settings
Saving energy (such a light bulb)
Turn off the monitor after time x or never