The term 'focus of much attention' can be replaced with numerous synonyms to add more depth and variety to your writing. One potential replacement is 'object of scrutiny,' which conveys the idea that an individual, organization or activity is being closely analyzed or observed. Another viable option is 'center of interest,' which implies that a particular subject or event is captivating and enticing to observers. Similarly, 'topic of discussion,' 'hotly debated issue,' and 'controversial subject matter' can all be used interchangeably with 'focus of much attention' to highlight themes that are currently receiving significant public scrutiny. Whatever synonym you choose, it's essential to select language that accurately and effectively communicates your intended meaning.