Was ‘no-work-from-home’ rule a violation of FMLA?

HR manager Lynn Rondo just closed her laptop for the day when she saw company attorney Eric Bressler stride into her office. 

“Can’t it wait until tomorrow?” Lynn asked. “I have dinner plans.” 

“I’ll make it quick,” Eric said. “Tell me about Heather Kramer’s firing.” 

‘Leave is only for treatment’  “Well,…