1. Tech giants are making room for themselves.

2. Their employees (male ones especially) are unhappy with deal, so they are attacking it.

3. Verizon is doing this to get discount.

4. CEO does not care about hiding lies anymore, she wants to be fired to get her money and may be she has lost control over her employees.

5. (highly improbable) They want users to delete their accounts due this kind of bad press.