Sometimes customizing is necessary because of an injury or the inability to do, for a short or long period, the kind of exercise you formerly did. When you're used to customizing for fun, doing it under duress won't seem like such an imposition. Either way, experiment until you find activities that make you happy as well as healthy. Choose your exercise using the same criteria you'd apply to choosing a date--that is, attractive to you and able to hold your interest for an hour.
Unfortunately, the board of directors that the middle managers report to generally make them aggressive. Imagine being hired into a company and then being told that you have to ignore the emerging health and safety issues (This is illegal!) and not inform the workers that the system is known to be dangerous (This is illegal!). You have two options: To go to jail for illegal activities sometime in the future, or to lose your job now and have all your USA workplace rights removed for recognizing the illegal activities that your Directors want you to engage in. Welcome to the corporate America management team!
If it must be enjoyed, then it must be done. And if it must be done, then it must be done well. If it is done well, it is enjoyed well.