If the app is well designed a round display is not bad. For reading concise information like a health/sport sensor/tracker, a message, an email is good. If you wanted to read a novel or do graphical design it would be horrible.
1) She wanted to run Yahoo like Google but the corporate culture was very different.
2) She thought of herself as a visionary and wanted to be a little like Steve Jobs (and she decided stupid things like the color in Yahoo mail's Android App) but she lacked vision.
When that same Leah Rowe decided to make public her sexual identity the far had no problems with retroactively change her name in past posts in the mailing lists. Is they were truly hostile they wouldn't bother.