No problem as long as it is clearly conveyed!
There is nothing wrong with having one filter by default selected as long as you make it very clear to the users that this filter is by default selected:
1- It should be clearly highlighted.
2- I would make it the first option on the left. Neither the second nor the last but the first. The location helps users ...
I think in this situation it would be better to use comboboxes:
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This makes the association between the labels and options very clear and makes it really easy to see which options are currently selected.
The downside is that changing an option now requires two clicks instead of one.
See the Gestalt principle of Proximity: If the choices of horizontal radio set appear aligned too far apart, they can start to form 'groups' as columns instead of rows.
There's not necessarily a hard metric, but the general principal of proximity is:
The principle of proximity states that things that are close together appear to be more related than ...