It is probably better described as ‘supplementing’ exogenous hormones because there is no way that the doses of estrogen is ‘replacing’ male levels of estrogen. It is artificially raising estrogen levels to exceed the naturally produced range healthy male people produce.
The labelling of these supplements as ‘replacement’ is very misleading and seems to only be so to copy the HRT terminology used for female people when needed, particularly in menopause. Which by the way, you have in the past used for your reduction of artificially high exogenous estrogen supplements which has in turn been pointed out as not being anything like menopause.
Just like your puberty, with both testosterone (unsurpressed) and artificially raised estrogen together, that confidently informed us was a ‘female puberty’ when this is impossible