I too am finding that the recent design trend for reduced contrast is making life difficult.
Whilst I don't currently have an issue with this forum, I find many elements of the SmartThings iPhone app overly difficult to read in low light and, at night, oftentimes impossible. It is not the size of the text which is the issue, but rather the lack of contrast due to the use of grey text on white backgrounds or similar.
Whilst I've generally benefited from very good eyesight during my life, we all inevitably suffer a decline in visual acuity with age. Others have the misfortune of impaired vision from an early age. Designers should bear these issues in mind as they work and perhaps consider broadening their feedback circle to include some individuals who can identify these problems sooner rather than later.
The determinant of a great interface design is not the one which looks prettiest in the mockups, it is the one which works best for the end user. A design which forces users to strain to read the information and/or give up in frustration requires review