Throughout Installation Art in Taiwan, Yao is ever mindful of his purpose, namely to address what he regards as unfair criticism of installation art for "mechanically using concepts from Western art," or suggestions that it is "incomprehensible" or that "because the distinction between technique and form is so loose there is no unified standard and therefore such works could have been produced by anyone."
從引言到結語，他念茲在茲的，仍是外界「拿來主義」、「看不懂」、「技巧與形式的界定過於寬鬆，沒有統一標準，彷彿人人皆可為之」等各種對裝置藝術不盡公允的批評。