Results for even the most plain and recognizable cases (english language screenshots) are absolutely terrible. This aligns with my other experiences with Tesseract. In fact the only OCR I ever had any success with is ABBYY.
Two alternatives, which are designed for OCR from photos:
https://github.com/PaddlePaddle/PaddleOCR/ https://github.com/JaidedAI/EasyOCR/
It's worth trying them if Tesseract isn't giving you good accuracy.