But if it's a question of balancing your standing then it's all about visibility. If I'm off in a corner working maintaining some legacy system as a team of on

But if it's a question of balancing your standing then it's all about visibility. If I'm off in a corner working maintaining some legacy system as a team of one that has somehow failed to be replaced in twenty years then I could just continuously be on vacation - additionally voluntarily taking odd working hours (like working 8PM-4AM) would also make it much less obvious that you're snogging vacation... except to the management team which usually can't comment on things like that except to consider firing you.